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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 14, Iss. 9 — May. 1, 2006
  • pp: 3961–3967

28W red light output at 659.5nm by intracavity frequency doubling of a Nd:YAG laser using LBO

Haibo Peng, Wei Hou, Yahui Chen, Dafu Cui, Zuyan Xu, Chuantian Chen, Feidie Fan, and Yong Zhu  »View Author Affiliations

Optics Express, Vol. 14, Issue 9, pp. 3961-3967 (2006)

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High-power, acoustooptic Q-switched red laser output is obtained by intracavity frequency-doubling a Nd:YAG laser operating at wavelength of 1.319μm with a LiB3O5 (LBO) crystal. 28 W average power at 659.5 nm was demonstrated at 5 kHz and a pulse width of 250±10 ns (FWHM). The beam quality of M2 value is 22±3 in both horizontal and vertical directions. The conversion efficiency and the stability of the red laser output power at 659.5 nm were both improved through the suppression of 1.338 μm operation by means of a thin YAG etalon. The long-term stability of the red light is better than 1% at an output of 23 W during 200 hours.

© 2006 Optical Society of America

OCIS Codes
(140.3480) Lasers and laser optics : Lasers, diode-pumped
(140.3580) Lasers and laser optics : Lasers, solid-state
(140.7300) Lasers and laser optics : Visible lasers
(190.2620) Nonlinear optics : Harmonic generation and mixing

ToC Category:
Nonlinear Optics

Original Manuscript: March 24, 2006
Revised Manuscript: April 13, 2006
Manuscript Accepted: April 13, 2006
Published: May 1, 2006

Haibo Peng, Wei Hou, Yahui Chen, Dafu Cui, Zuyan Xu, Chuantian Chen, Feidie Fan, and Yong Zhu, "28W red light output at 659.5nm by intracavity frequency doubling of a Nd:YAG laser using LBO," Opt. Express 14, 3961-3967 (2006)

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